| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [pers pn] [vb mod] be used | 32 |
|
| 2 | how it [vb mod] be used | 20 |
|
| 3 | how it [vb mod] be used | 20 |
|
| 4 | how they [vb mod] be used | 12 |
|
| 5 | how [pron] can be used | 12 |
|
| 6 | how they [vb mod] be used | 12 |
|
| 7 | how [pron] could be used | 7 |
|
| 8 | how [pron] should be used | 6 |
|
